ccna configuring and testing your network
Tài liệu Chapter 11 - Configuring and Testing Your Network ppt
Ngày tải lên :
22/12/2013, 13:17
... 11 - Configuring
and Testing Your Network
CCNA Exploration 4. 0CCNA Exploration 4.0
Manage configuration file
• Trace the steps used to examine the startup config,
make changes to config, and ... www.bkacad.com
Role of Internetwork Operating System (IOS)
• Basic routing and switching functions
• Reliable and secure access to networked resources
• Network scalability
• Using Cisco Command Line Interface ... letters, digits, and dashes
Học viện mạng Bách khoa - Website: www.bkacad.com
– Have characters of only letters, digits, and dashes
– Be 63 characters or fewer
Examination Commands
• Identify...
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CCNA V2 P1 Managing Your Network Environment
Ngày tải lên :
08/07/2013, 01:27
... command-line interface to accurately determine
network operational status and network performance
•
Manage operating system image files to maintain an
accessible operating system file and according ... given a network topology
•
Use Cisco IOS commands to manage device
configuration files to reduce device downtime and
according to best practices
•
Execute an add, move, or change so that the network ... traffic, and show
cdp interface commands display detailed CDP
information on a Cisco device.
•
After you use CDP to discover the devices on the
internetwork, you should document the network...
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![enterprise network testing [electronic resource] the role and applications of testing in pre-peployment, migration, and post-deployment, network operations](https://media.store123doc.com/images/document/14/y/oy/medium_bedjLstRkh.jpg)
enterprise network testing [electronic resource] the role and applications of testing in pre-peployment, migration, and post-deployment, network operations
Ngày tải lên :
30/05/2014, 23:50
... Enterprise Network Testing 1
Chapter 1 A Business Case for Enterprise Network Testing 3
Why Testing Is Important 3
The Network as a Business Platform 4
The Cost of Network Downtime 5
Network Changes and ... Enterprise
Network Testing
This chapter covers the following topics:
■ Why Testing Is Important
■ The Network as a Business Platform
■ The Cost of Network Downtime
■ Network Changes and Downtime
■ ... Enterprise Network Testing
and dozens of protocols working in conjunction to keep your traditional network compo-
nents working smoothly. In addition, a small network change can potentially affect your
packet...
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assessing network security testing your defenses
Ngày tải lên :
03/06/2014, 01:20
... avoid this
pitfall and be sure that your network security scanning/penetration testing/
auditing program will be systematic, comprehensive, guided by experienced
hands, and pegged to real-world, ... “Penetration Testing for Nonintrusive Attacks” Chap-
ters 8 through 13 examine different methods and techniques attackers
use to gather information about your organization’s hosts and networks
and how ... Doing so will
uncover your organization’s true security posture, that is, its ability to
change over time to handle the demands of new threats and alter-
ations to the network.
A security assessment...
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CCNA 1 and 2 Companion Guide, Revised (Cisco Networking Academy Program) part 110 ppt
Ngày tải lên :
04/07/2014, 18:20
... wireless, 162
highway analogy of bandwidth, 59
history of computer networking, 47–48
hold-down timers, 719
routing loop prevention, 733
holddowns (IGRP), 747
home networking applications, 52
hop ... 662–667
with TFTP, 660–661
Manchester encoding, 318
MANs (metropolitan-area networks) versus LANs and
WANs, 52
mapping networks with CDP, 627
Mb (megabit), 20
MB (megabyte), 20
Mbps (megabits per ... 775–776
unreachable network messages, 764–765
identifying IP address classes, 394–397
IE (Internet Explorer), 17
IEEE (Institute of Electrical and Electronic Engineers),
130, 252
goals of, 255
IEEE 802.11b standard,...
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CCNA 1 and 2 Companion Guide, Revised (Cisco Networking Academy Program) part 1 doc
Ngày tải lên :
04/07/2014, 18:20
... mark.
Warning and Disclaimer
This book is designed to provide information about CCNA 1: Networking Basics and CCNA 2:
Routers and Routing Basics of the Cisco Networking Academy Program CCNA course. ... . . . . . . . . . . . . . .174
Check Your Understanding . . . . . . . . . . . . . . . . . . . . . . . . . . . .176
Chapter 4 Cable Testing and Cabling LANs and WANs . . . . . . . . . . . . . . ... .188
Noise in Time and Frequency . . . . . . . . . . . . . . . . . . . . . . . . . .189
Analog and Digital Bandwidth . . . . . . . . . . . . . . . . . . . . . . . . .190
Signals and Noise on Networking...
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CCNA 1 and 2 Companion Guide, Revised (Cisco Networking Academy Program) part 2 pptx
Ngày tải lên :
04/07/2014, 18:20
... 501
Check Your Understanding . . . . . . . . . . . . . . . . . . . . . . . . . . . .502
Part II CCNA 2: Routers and Routing Basics. . . . . . . . . . . . . . . . . . . . . 509
Chapter 10 WANs and Routers ... .306
Check Your Understanding . . . . . . . . . . . . . . . . . . . . . . . . . . . .309
Chapter 6 Ethernet Technologies and Ethernet Switching . . . . . . . . . . . . .315
10-Mbps and 100-Mbps ... .467
Check Your Understanding . . . . . . . . . . . . . . . . . . . . . . . . . . . .470
Chapter 9 TCP/IP Transport and Application Layer . . . . . . . . . . . . . . . . . . .477
Understanding the...
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CCNA 1 and 2 Companion Guide, Revised (Cisco Networking Academy Program) part 3 pdf
Ngày tải lên :
04/07/2014, 18:20
... supported networking technologies,
and to help you understand how to design and build networks and to configure Cisco
routers. It is designed for use in conjunction with the Cisco Networking ... frequency, and noise. Understanding this vocabulary is helpful
when learning about networking, cabling, and cable testing. This chapter corre-
sponds to the Module 4 and 5 content from the CCNA 1 ... the demands of their organization, and its reliance on the network,
expands.
To meet the many educational needs of the internetworking community, Cisco Systems
established the Cisco Networking...
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CCNA 1 and 2 Companion Guide, Revised (Cisco Networking Academy Program) part 4 pptx
Ngày tải lên :
04/07/2014, 18:20
... Introduction to Networking
The Internet is the largest data network in the world. The Internet consists of a multi-
tude of interconnected networks, both large and small. At the edge of this giant network ... the
CCNA 2 online curriculum.
■ Chapter 20, “Access Control Lists,” includes tips, considerations, recommendations,
and general guidelines on how to use ACLs, and includes the commands and
configurations ... online, a test engine with CCNA practice
exam questions, interactive e-Lab Activities, PhotoZooms of networking equipment
and hardware, and instructional Videos and animations that highlight...
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CCNA 1 and 2 Companion Guide, Revised (Cisco Networking Academy Program) part 5 pps
Ngày tải lên :
04/07/2014, 18:20
... Knowledge of how the adapter is configured, including jumpers and plug -and- play
software. Most modern NICs do not require jumpers and are plug -and- play,
requiring little or no configuration. They can ... configuration, and network connectivity.
The following are some usages of the ping command:
■ ping 127.0.0.1 (internal loopback test)—This verifies the operation of the TCP/IP
stack and NIC transmit/receive ... results on the screen
Lab Activity Using ping and tracert
In this lab, you learn to use the TCP/IP ping and traceroute commands to test
connectivity in a network. In the process, you see name resolution...
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CCNA 1 and 2 Companion Guide, Revised (Cisco Networking Academy Program) part 6 ppt
Ngày tải lên :
04/07/2014, 18:20
... thousand bits per second. This is a standard
measurement of the amount of data transferred over a network connection.
■ kBps (kilobytes per second)—One thousand bytes per second. This is a standard ... with and store data using electronic switches that are either on or off.
Computers can only understand and use data that is in this two-state (binary) format.
1 represents an on state, and 0 ... switches being turned on and off is 256
(or 2
8
). The value range of a byte is from 0 to 255. So, a byte is an important concept
to understand when working with computers and networks.
Most computer...
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CCNA 1 and 2 Companion Guide, Revised (Cisco Networking Academy Program) part 7 pdf
Ngày tải lên :
04/07/2014, 18:20
... expansion board that handles all sound functions.
subnetwork In IP networks, a network that shares a particular subnet address. Sub-
networks are networks arbitrarily segmented by a network administrator ... global internetwork, connecting tens of thousands of networks
worldwide and having a culture that focuses on research and standardization based on
real-life use.
Internet Protocol (IP) A network ... devices in the network
use these addresses to locate specific ports in the network and to create and update
routing tables and data structures. MAC addresses are 6 bytes long and are controlled...
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CCNA 1 and 2 Companion Guide, Revised (Cisco Networking Academy Program) part 9 pps
Ngày tải lên :
04/07/2014, 18:20
... buy.
■ Bandwidth is a key factor in analyzing network performance, designing new
networks, and understanding the Internet—A networking professional must
understand the tremendous impact of bandwidth ... an intranet and an extranet.
Figure 2-11 Intranet and Extranet
Virtual Private Networks
A virtual private network (VPN) is a private network that is constructed within a
public network infrastructure ... impor-
tant to understand bandwidth?
■ Bandwidth is finite—Regardless of the medium used to build the network, there
are limits on that network s capacity to carry information. Bandwidth is limited...
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CCNA 1 and 2 Companion Guide, Revised (Cisco Networking Academy Program) part 10 pps
Ngày tải lên :
04/07/2014, 18:20
... NICs, and other items of network equipment that are chosen.
Table 2-3 lists some common networking media types, along with their limits on dis-
tance and bandwidth.
Table 2-3 Maximum Bandwidths and ... aware of changes in
network performance and changes in the needs of network users. The network can
then be adjusted accordingly.
Data Transfer Calculation
Network designers and administrators ... However, a network s actual bandwidth is determined by
a combination of the physical medium and the technologies chosen for signaling and
detecting network signals.
For example, current understanding...
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CCNA 1 and 2 Companion Guide, Revised (Cisco Networking Academy Program) part 11 pps
Ngày tải lên :
04/07/2014, 18:20
... number and size of networks. As compa-
nies realized the money they could save and the productivity they could gain by using
networking technology, they added networks and expanded existing networks ... breaks network communication into smaller, simpler parts.
■ It standardizes network components to allow multiple-vendor development and
support.
■ It allows different types of network hardware and ... encryption and decryption. The
common Layer 6 graphic standards are PICT, TIFF, and JPEG. Examples of Layer 6
standards that guide the presentation of sound and movies are MIDI and MPEG.
Layer...
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